IDT7027S
IDT7027S is HIGH-SPEED 32K x 16 DUAL-PORT STATIC RAM manufactured by IDT.
HIGH-SPEED 32K x 16 DUAL-PORT STATIC RAM
IDT7027S/L
Features
- True Dual-Ported memory cells which allow simultaneous access of the same memory location
- High-speed access
- mercial: 15/20/25/35/55ns (max.)
- Industrial: 20/25ns (max.)
- Low-power operation
- IDT7027S Active: 750m W (typ.) Standby: 5m W (typ.)
- IDT7027L Active: 750m W (typ.) Standby: 1m W (typ.)
- Separate upper-byte and lower-byte control for bus matching capability.
- Dual chip enables allow for depth expansion without external logic
Functional Block Diagram
R/WL UBL
CE0L CE1L
- IDT7027 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device
- M/S = VIH for BUSY output flag on Master, M/S = VIL for BUSY input on Slave
- Busy and Interrupt Flags
- On-chip port arbitration logic
- Full on-chip hardware support of semaphore signaling between ports
- Fully asynchronous operation from either port
- TTL-patible,...
